title: Gastric proteinases--structure, function, evolution and mechanism of action.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis; D000818:Animals; D016282:Aspartic Acid Endopeptidases; D005075:Biological Evolution; D012085:Chymosin / Q000502:physiology; D010450:Endopeptidases / Q000096:biosynthesis / Q000235:genetics / Q000502:physiology*; D004789:Enzyme Activation; D004792:Enzyme Precursors / Q000378:metabolism; D005750:Gastric Juice / Q000201:enzymology*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008958:Models, Molecular; D008970:Molecular Weight; D010434:Pepsin A / Q000502:physiology; D010435:Pepsinogens / Q000502:physiology / Q000652:urine; D010437:Peptic Ulcer / Q000201:enzymology; D011489:Protein Denaturation; D013270:Stomach / Q000201:enzymology; D013379:Substrate Specificity; D014018:Tissue Distribution
chemical_list: D000596:Amino Acids; D004792:Enzyme Precursors; D010435:Pepsinogens; D010450:Endopeptidases; D016282:Aspartic Acid Endopeptidases; D010434:Pepsin A; D012085:Chymosin